Patient chair



FIG. 1 is a perspective view of a patient chair incorporating the design of the present invention;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a top elevational view thereof. 

The ornamental design for a patient chair, substantially as shown and described. 